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Understanding patterns of progression of mild or moderate valvular disease (stage B, according to American College of Cardiology/American Heart Association guidelines) to severe lesions that may require intervention (stage C or D) would inform approaches to clinical surveillance. Regarding aortic regurgitation (AR), guidelines — based upon expert consensus but few data — recommend repeating transthoracic echocardiography (TTE) every 5 years for individuals with mild AR and every 1 to 2 years for those with moderate AR.
Investigators identified 1077 consecutive individuals with AR at stage B and without other significant left-sided valvular dysfunction (mean age, 66; 49% women; bicuspid aortic valve, 14%) with a baseline TTE and at least one …